621538320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199211}}^1$

素因数の和:199240

約数の個数: 80

約数和(自身を含む): 2074992192

約数和(自身を除く): 1453453872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 199211, 398422, 597633, 796844, 996055, 1195266, 1593688, 1992110, 2390532, 2589743, 2988165, 3187376, 3984220, 4781064, 5179486, 5976330, 7769229, 7968440, 9562128, 10358972, 11952660, 12948715, 15538458, 15936880, 20717944, 23905320, 25897430, 31076916, 38846145, 41435888, 47810640, 51794860, 62153832, 77692290, 103589720, 124307664, 155384580, 207179440, 310769160, 621538320]

約数ペア:

[(1, 621538320), (2, 310769160), (3, 207179440), (4, 155384580), (5, 124307664), (6, 103589720), (8, 77692290), (10, 62153832), (12, 51794860), (13, 47810640), (15, 41435888), (16, 38846145), (20, 31076916), (24, 25897430), (26, 23905320), (30, 20717944), (39, 15936880), (40, 15538458), (48, 12948715), (52, 11952660), (60, 10358972), (65, 9562128), (78, 7968440), (80, 7769229), (104, 5976330), (120, 5179486), (130, 4781064), (156, 3984220), (195, 3187376), (208, 2988165), (240, 2589743), (260, 2390532), (312, 1992110), (390, 1593688), (520, 1195266), (624, 996055), (780, 796844), (1040, 597633), (1560, 398422), (3120, 199211)]